MESON Chess Problem Database

Problem Display
PID: 169433 (2RK4/8/1p1B2R1/3k2rn/6p1/1p6/n1prNN2/Q1b5 w - - 0 1)

Hawes, Frederick Thomas

To Alain White, 1945

2RK4/8/1p1B2R1/3k2rn/6p1/1p6/n1prNN2/Q1b5

#2

7 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Qxd4#
    • 1...Re5
      • 2.Qxe5#
    • 1...Rxg6
      • 2.Qe5#
    • 1...Bb2
      • 2.Qh1#
    • 1...Ba3
      • 2.Qh1#
    • 1...Sc3
      • 2.Qa8#
    • 1...Sg3
      • 2.Sf4#
    • 1...Sf4
      • 2.Sxf4#
    • 1...Sg7
      • 2.Sf4#
    • 1...b2
      • 2.Qxa2#
    • 1...b5
      • 2.Rc5#
  • Tries
    • 1.Bg3?
      • threat
        • 2.Rd6#
      • 1...Rxg6
        • 2.Qe5#
      • 1...Sxg3
        • 2.Sf4#
      • 1...Re5
        • 2.Qxe5#
      • 1...Ba3
        • 2.Qh1#
      • 1...Sf4
        • 2.Sxf4#
      • 1...Sf6!
    • 1.Bf4?
      • threat
        • 2.Rd6#
      • 1...Rxg6
        • 2.Qe5#
      • 1...Sxf4
        • 2.Sxf4#
      • 1...Re5
        • 2.Qxe5#
      • 1...Ba3
        • 2.Qh1#
      • 1...Sf6!
    • 1.Rxg5+?
      • 1...Kxd6
        • 2.Qe5#
      • 1...Ke6!
  • Keys
    • 1.Bb8!
      • threat
        • 2.Rd6#
      • 1...Rxg6
        • 2.Qe5#
      • 1...Sf6
        • 2.Sf4#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Bb2
        • 2.Qh1#
      • 1...Ba3
        • 2.Qh1#
      • 1...Sc3
        • 2.Qa8#
      • 1...b2
        • 2.Qxa2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • R(d);N_GUARD::QAR1(A),XR(d)
    • R(h);N_GUARD::QAR1(A),XR(h)
    • R(h);N_GUARD,XR(E)::QAR1(A)
    • B(a);OGATE::QAB(A)
    • S(b);OGATE::QAB(A)
    • S(i);N_GUARD::S(B)
    • S(i);N_GUARD::S(B),XS(i)
    • P(e);OGATEB::QAB(A),XS(b)
    • P(j);N_GUARD::R1(F)
  • Tries
    • Try
      • B(D);
      • Threat
        • R1(E)
      • Vars
        • R(h);N_GUARD,XR(E)::QAR1(A)
        • S(i);N_GUARD,XB(D)::S(B)
        • R(h);N_GUARD::QAR1(A),XR(h)
        • B(a);OGATE::QAB(A)
        • S(i);N_GUARD::S(B),XS(i)
      • Refutation
        • S(i);
    • Try
      • B(D);
      • Threat
        • R1(E)
      • Vars
        • R(h);N_GUARD,XR(E)::QAR1(A)
        • S(i);XB(D)::S(B),XS(i)
        • R(h);N_GUARD::QAR1(A),XR(h)
        • B(a);OGATE::QAB(A)
      • Refutation
        • S(i);
    • Try
      • R(E);CHECK,XR(h)
      • Vars
        • K(g);P-FLIGHT,XB(D)::QAB1(A)
      • Refutation
        • K(g);P_PINB(D),S_FLIGHT
  • Actual
    • B(D);
    • Threat
      • R1(E)
    • Vars
      • R(h);N_GUARD,XR(E)::QAR1(A)
      • S(i);N_GUARD::S(B)
      • R(d);N_GUARD::QAR1(A),XR(d)
      • B(a);OGATE::QAB(A)
      • S(b);OGATE::QAB(A)
      • P(e);OGATEB::QAB(A),XS(b)
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